When buying my house I watched my credit like a hawk. Credit Sesame alerted me just as fast, sometimes faster, than the bureaus themselves of any changes.
Unlike most “free” credit monitoring sites this one is free, 100%. You can always opt for a paid version which has a few more features, but for the average person the free one is plenty
Sign up with your personal information, all of which is secured and used for no other purpose, and you get notifications as soon as a change takes place. Most recently mine are all “is this your new address” because we moved, it’s really reassuring.